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Diversity and structure of bird communities in contrasting forests of the Hengduan Mountains, China

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Abstract

Rapid economic development has led to high rates of deforestation and widespread alteration of land cover in many regions in China, where many primary forests have been replaced by secondary and plantation forests. Therefore, we aimed to determine differences in bird community diversity and structure between three forest types. We assessed differences in species richness, phylogenetic and functional diversity and community structure of bird communities in primary, secondary and plantation forests. Data was collected over four meteorological seasons from bird communities in a nature reserve in the Hengduan Mountains, China. We found that functional and phylogenetic diversity in secondary forest were significantly greater than in primary forest, while species richness was not significantly different. Thus, simple metrics (i.e. species richness) may not be sufficient to assess forest conservation value. We suggest that it is necessary to use varied diversity metrics that incorporate species’ similarities and differences. It also appears that secondary forests play an important role in the maintenance of studied bird biodiversity. The results of community structure analyses show that the habitat filter was strongest in the primary forest, leading to primary forest species being lighter in weight, shorter in body length, and with longer tarsometatarsus. These species were specialized and forest-dependent, reflecting the value of primary forests as an irreplaceable habitat type for several species after nearby forests are degraded.

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The data used to support the findings of this study are available from the corresponding author upon request.

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Acknowledgements

This study was financially supported by the Sichuan Meigu Dafengding National Nature Reserve. We grateful to Prof. Robert K. Colwell, Dr. Megan Price, Mr. Mike Seitz and three anonymous reviewers for their thoughtful comments and efforts towards improving our manuscript, as well as their help in language polishing.

Funding

This work was supported by the Fundamental Research Funds for the Central Universities (SCU2019D013), the National Natural Science Foundation of China (Nos. 31772478, 31501851), and the Second Tibetan Plateau Scientific Expedition and Research Program (No. 2019QZKK0402).

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Correspondence to Yongjie Wu or Jianghong Ran.

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Communicated by Karen E. Hodges.

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Taxing Zhang and Xue Chen are joint first authors.

This article belongs to the Topical Collection: Forest and plantation biodiversity.

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Zhang, T., Chen, X., Wu, Y. et al. Diversity and structure of bird communities in contrasting forests of the Hengduan Mountains, China. Biodivers Conserv 29, 3739–3755 (2020). https://doi.org/10.1007/s10531-020-02047-w

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  • DOI: https://doi.org/10.1007/s10531-020-02047-w

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